JPS6047707A - Enclosed type torus-shaped pneumatic tire - Google Patents
Enclosed type torus-shaped pneumatic tireInfo
- Publication number
- JPS6047707A JPS6047707A JP59143420A JP14342084A JPS6047707A JP S6047707 A JPS6047707 A JP S6047707A JP 59143420 A JP59143420 A JP 59143420A JP 14342084 A JP14342084 A JP 14342084A JP S6047707 A JPS6047707 A JP S6047707A
- Authority
- JP
- Japan
- Prior art keywords
- radially
- circumferential surface
- outer circumferential
- radially outer
- rib member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C3/00—Tyres characterised by the transverse section
- B60C3/02—Closed, e.g. toroidal, tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/02—Seating or securing beads on rims
- B60C15/0233—Securing tyres without beads; Securing closed torus or tubular tyres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
- B60C17/06—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/10—Internal lubrication
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は、一般に、閉鎖型円環状タイヤ、特に、空気抜
は状態で走行可能なランフラット構造体を内蔵した閉鎖
型円環状タイヤに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates generally to a closed toroidal tire and, more particularly, to a closed toroidal tire incorporating a runflat structure capable of running in an uninflated state.
タイヤが非膨張状態になった場合、車輛につけた状態で
使用することができるようにするだめ、普通型開口Ｕ形
空気人シタイヤの内側にパンクしたままで走行できる構
造体を設けることは、タイヤ技術分野では知られている
。当業者が時にはチューブタイヤ捷たは円環状タイヤと
称している閉鎖型円環状タイヤでは、閉鎖型円環状タイ
ヤのカーカスは閉鎖された膨張室をもつので、別個のラ
ンフラット構造体を設けるのは容易でない。ゆえに、閉
鎖型円環状タイヤと一体に形成されたランフラット装置
をもつタイヤを提供することが特に望ましい。In order to be able to use the tire on the vehicle when the tire becomes uninflated, it is necessary to provide a structure inside the regular open U-shaped pneumatic tire that allows the tire to be driven with a flat tire. known in the technical field. In closed toroidal tires, which those skilled in the art sometimes refer to as tube tires or toroidal tires, the provision of a separate runflat structure is not recommended since the carcass of a closed toroidal tire has a closed expansion chamber. It's not easy. Therefore, it would be particularly desirable to provide a tire with a runflat device integrally formed with a closed toroidal tire.
５ｗ１ｎｅｈａｒｔへの米国特許第９０９．９６２号は
、半径方向断面に頂点を半径方向外方へ向けた三角形リ
ブを含む一体形成のシンフラット構造体をもつ閉鎖型円
環状タイヤを開示する。この・特定の閉鎖型円環法タイ
ヤは本発明と同様なころがり保持フープ部分をもたない
で、引掛はリムに取付けるように構成されている。Ｇｒ
ａｗｅｙ への米国特許第３，６０６，９２１号は、こ
ろがシ保持フープ部分をもつ閉鎖型円環状タイヤに５ｗ
１ｎｅｂａｒｔ特許と同様な型式の一体形成の三角形構
造体を示す。しかし、Ｇｒａｗｅｙタイヤの１内側工ラ
ストマ緩衝部材」は、ころがシ保持フープ部分の半径方
向外方へ延び、「緩衝部材」の形状は、使用中にタイヤ
が膨張性を失った場合に極めて小さい面積上でタイヤに
かかる荷重を受持っている。US Pat. No. 909.962 to 5w1nehart discloses a closed toroidal tire having an integrally formed thin-flat structure that includes triangular ribs in radial cross section with apexes pointing radially outward. This particular closed-loop tire does not have a rolling retention hoop portion like the present invention, but the hooks are configured to attach to the rim. Gr.
U.S. Patent No. 3,606,921 to
1 shows a monolithic triangular structure of a type similar to the 1nebart patent. However, the ``inner last material cushioning member'' of Grawey tires extends radially outward from the roller retaining hoop portion, and the shape of the ``buffer member'' is extremely small when the tire loses its inflatability during use. Responsible for the load placed on the tire based on its area.
５ｗ１ｎｃｈａｒｔ及びＧｒａｗｅｙ によるタイヤは
未解決のいくつかの問題を残している。閉鎖型円環状タ
イヤが使用中に膨張性を失ったとき、タイヤが受持つ全
荷重は「緩衝部材」またはランフラット構造体の比較的
小さい面積にかかるので、タイヤトレッドの中心部の狭
い帯状部分のみで地面１Ｘは路面に強く保持され、不都
合な操縦及び牽引状態を惹起する。さらに、三角形構造
体及びトレッドの極めて小さい面積における応力集中は
、三角形構造体及びトレッドの両方の急速な劣化を来し
、特にタイヤが航空機の離着陸時のような高速状態で使
用されるときは、上記の劣化はさらに著しい。どのよう
な型式でもランフラット構造体をもたない場合には、タ
イヤの両方のサイドウオールは、リムフランジによって
摩耗し、あるいはもしタイヤがフランジ無しリム上に取
付けられているときは、タイヤのクラウン部分はころが
シフープ部分によって摩耗する。上記のいずれの場合で
も、タイヤは、応力集中によって破壊し、またもし破壊
したタイヤがリムから外れると、リム及び車輛自身のサ
スペンションシステムカ破損すレル。The tires by 5w1nchart and Grawey leave several issues unresolved. When a closed annular tire loses its inflatability during use, the entire load carried by the tire is placed on a relatively small area of the "buffer" or runflat structure, so the narrow strip in the center of the tire tread The ground 1X is strongly held to the road surface by the sole, causing unfavorable maneuvering and traction conditions. Additionally, stress concentrations in extremely small areas of the triangular structure and tread result in rapid deterioration of both the triangular structure and the tread, especially when the tire is used in high-speed conditions such as during aircraft take-off and landing. The above deterioration is even more significant. If any type of tire does not have a run-flat structure, both sidewalls of the tire are worn by the rim flanges or, if the tire is mounted on a flangeless rim, by the crown of the tire. The part where the rollers are worn out by the si-hoop part. In any of the above cases, the tire will fail due to the stress concentration, and if the tire breaks off the rim, the rim and the vehicle's own suspension system will be damaged.
本発明による閉鎖円環状タイヤは、タイヤのカーカスの
環状座区域から半径方向外方へ突出する一体形成の円周
方向リブ部材をもつ。このリブ部材の半径方向外周面は
、円筒形で、半径方向に測ってタイヤのころがりフープ
部分の半径方向外周面と同一の、カーカスの環状座区域
の半径方向外側面からの距離に配置される。リブ部材の
半径方向高さは、使用中にタイヤが膨張性を失った場合
に、リブ及びころがり保持フープ部分の半径方向外側面
を含む大きい面積にタイヤにかかった荷重を分散させる
ので重要である。タイヤをリム上に保持させるようにタ
イヤの劣化を制約することによって、本発明はリム、ホ
イール、ザスはンションシステム及び関連構造部に生ず
る破損を制限する。車輛が非膨張状態のタイヤで高速度
で、または可成り長距離を走行する状態でそれ以上の使
用に不適当な場合でも、破損したリム、ホイール及びサ
スペンションシステムの交換費用は、タイヤのみの交換
費用を上回る。A closed toroidal tire according to the invention has an integrally formed circumferential rib member projecting radially outwardly from the annular seat area of the tire carcass. The radially outer circumferential surface of this rib member is cylindrical and arranged at a distance, measured radially, from the radially outer surface of the annular seat area of the carcass that is the same as the radially outer circumferential surface of the rolling hoop portion of the tire. . The radial height of the rib member is important because it distributes the load on the tire over a large area, including the radially outer surface of the rib and rolling retention hoop portion, if the tire loses its inflatability during use. . By constraining tire deterioration to keep the tire on the rim, the present invention limits damage to the rim, wheel, suspension system, and related structures. Even if the vehicle is unfit for further use at high speeds or over significant distances with uninflated tires, the cost of replacing damaged rims, wheels and suspension systems covers the replacement of the tires only. exceeds the cost.
本発明は、航空機用タイヤに用いて特に有効であると考
えられるが、自動車、トラック、パス及び道路外使用車
輛用タイヤとして用いても満足な成果が得られる。航空
機用タイヤは、離陸中に極めて頻繁に故障し、その結果
、非膨張タイヤによる着陸及び引継ぐ地上滑走が避けら
れず、これによりもしタイヤの機能が劣化しかつ脱落す
れば、その費用がかさむ結果となる。Although the present invention is believed to be particularly effective for use in aircraft tires, it may also be used with satisfactory results in tires for automobiles, trucks, passes, and off-road vehicles. Aircraft tires very frequently fail during take-off, resulting in uninflated tire landings and subsequent taxiing, which can lead to costly failures if the tires malfunction and fall off. becomes.
本発明の一態様によれば、環状の閉鎖型膨張室をイ１す
るカーカスを含む閉鎖型円環状空気入シタイヤが提供さ
れ、前記カーカスは、ころがり保持フープ部分を有する
環状域区域をもち、該フープ部分は前記環状域区域の各
軸方向端に配置され、各ころがシ保持フープ部分は、半
径方向の外周面をもち、円周方向に延びるリブ部材が前
記環状域区域から半径方向外方へ突出し、前記リブ部材
は円筒形の、半径方向外周面をもち、かつ前記リブ部材
の半径方向外周面は、半径方向に測って、前記ころがｐ
保持フープ部分の半径方向外周面と同一の、前記環状域
区域の半径方向外側面からの距離をもって配置される。According to one aspect of the invention, there is provided a closed toroidal pneumatic tire including a carcass having an annular closed expansion chamber, the carcass having an annular zone area having a rolling retention hoop portion; A hoop portion is disposed at each axial end of the annular region, each roller retaining hoop portion having a radially outer circumferential surface and a circumferentially extending rib member extending radially outwardly from the annular region. the rib member has a cylindrical, radially outer circumferential surface, and the radially outer circumferential surface of the rib member is such that, as measured in the radial direction, the roller p
It is arranged at the same distance from the radially outer surface of said annular zone section as the radially outer circumferential surface of the retaining hoop portion.
新規性を有する本発明の態様は本発明の特許請求の範囲
において特に規定される。本発明は、その構造及び作用
様態のいずれに関しても、図面を参照しての以下の説明
から十分に理解されるであろう。The novel aspects of the invention are particularly defined in the claims of the invention. The present invention, both in its structure and mode of operation, will be better understood from the following description with reference to the drawings.
第１図に示す本発明の好適実施例による閉鎖型円環状空
気入シタイヤ１０は、リム１２上に取付けられて、タイ
ヤ・リム組立体を構成する。A closed toroidal pneumatic tire 10 according to a preferred embodiment of the invention, shown in FIG. 1, is mounted on a rim 12 to form a tire and rim assembly.
リム１２は、横に並んで互いに描接しかつ複数の鋲また
はねじファスナなどの締め具１８によって合体結合され
た一対の環状リム底部材１４゜１６を含む。各リム底部
材は半径方向外側面２０．２２をもつ。１つのリム底部
材はリムにホイールを取付けるだめのフランジ、あるい
はリムと一体になった完成ホイール２４をもつ。The rim 12 includes a pair of annular rim bottom members 14, 16 that are laterally abutting each other and are joined together by a plurality of fasteners 18, such as studs or screw fasteners. Each rim bottom member has a radially outer surface 20.22. One rim bottom member has a flange for attaching the wheel to the rim, or a complete wheel 24 integral with the rim.
リム１２は、一対の軸方向外側端２６ 、２８をもつ。The rim 12 has a pair of axially outer ends 26,28.
本文及び特許請求の範囲の記載文に用いる「軸方向の」
及び「軸方向に」とは、リム、タイヤ、またはリム・タ
イヤ組立体の回転軸線に平行な方向を、まだ「半径方向
の」及び「半径方向に」とは、リム、タイヤ、またはタ
イヤ・リム組立体の回転軸線と垂直な方向を言う。「半
径方向内方」とは前記回転軸線に向う半径方向を、また
「栄径方向外方ｊとは前記回転軸線から遠ざかる方向を
言う。タイヤ・リム組立体の中心面と同一平面内にある
リムの生毛・面６０はリム及びタイヤ・リム組立体の中
心面はリムの軸方向外側端から等距離にあり、かつリム
、及び組立体の回転軸線と垂直方向にある。"Axial" used in the main text and claims
and “axially” refers to a direction parallel to the axis of rotation of a rim, tire, or rim-tire assembly; “radially” and “radially” refer to a direction parallel to the axis of rotation of a rim, tire, or Refers to the direction perpendicular to the axis of rotation of the rim assembly. "Radially inward" refers to the radial direction toward the rotational axis, and "radially outward" refers to the direction away from the rotational axis. The rim bristles surface 60 is such that the central plane of the rim and tire-rim assembly is equidistant from the axially outer edge of the rim and perpendicular to the axis of rotation of the rim and assembly.
リム底部材１４．１６の半径゛方向外側面２０゜２２は
、リム、及び組立体の中心面に対して対称な環状溝６２
によって互いに隔てられている。The radially outer surface 20.22 of the rim bottom member 14.16 has an annular groove 62 symmetrical about the center plane of the rim and assembly.
are separated from each other by.
本発明による閉鎖型円環状タイヤ１０は、図面内でリム
上に増付けられた状態で示されている。このタイヤは、
タイヤのサイドウオール間の中央に位置しかつタイヤ、
゛及びタイヤ・リム組立体の回転軸線と垂直である「中
央円周方向中心面」３０をもつ。本発明によるタイヤが
リム上に取付けられると、タイヤの中央円周方向中心面
と組立体の中心面は同一面内にある。A closed toroidal tire 10 according to the invention is shown mounted on a rim in the drawings. This tire is
located centrally between the sidewalls of the tire and the tire;
and a "central circumferential center plane" 30 that is perpendicular to the axis of rotation of the tire and rim assembly. When a tire according to the invention is mounted on a rim, the central circumferential center plane of the tire and the center plane of the assembly are in the same plane.
本発明による閉鎖型円環状タイヤは、円環状の閉鎖され
た膨張室６８を有するカーカス３６を含む。好ましくは
、実質的に空気不透過性のライナ４Ｑは、カーカスの内
層を含み、空気捷たは他の好適なガスが膨張弁（図示せ
ず）、まだは他の好適な装置を介して膨張室内に導入さ
れる。カーカスは、環状底部の各軸方向端に位置するこ
ろがり保持フープ部分４４．４６をもつ環状底部４２を
含む。本文及び特許請求の範四記載に用いる各ころがり
保持フープ部分は、環状のころが９保持フープとエラス
トマ材料の連続層を含み、及び各ころがり保持フープ部
分は、カーカスの内周の一部分を形成する半径方向外周
面４５．４７をもつ。The closed toroidal tire according to the invention includes a carcass 36 having a closed toroidal expansion chamber 68 . Preferably, the substantially air-impermeable liner 4Q comprises the inner layer of the carcass and is inflated with air or other suitable gas via an expansion valve (not shown) or other suitable device. introduced indoors. The carcass includes an annular bottom 42 with rolling retaining hoop portions 44,46 located at each axial end of the annular bottom. Each rolling retaining hoop section as used in the text and claims 4 includes an annular roller, nine retaining hoops and a continuous layer of elastomeric material, and each rolling retaining hoop section forms a portion of the inner circumference of the carcass. It has a radial outer circumferential surface 45.47.
カーカス３６は、エラストマ物質を含み、かつ補強コー
ド、ワイヤ、またはケーブルの少くとも１つのカーカス
プライ４８によって補強される。補強コード、ワイヤま
たはケーブルは半径方向もしくはほぼ半径方向に配向さ
れ、かつ膨張室全体のまわりに延びるように構成するこ
とが好適である。しかし、本発明によるタイヤは、本発
明の範囲から逸脱せずに、任意のカーカスプライを欠く
好適な材料を鋳造して造られることが分かる。環状補強
構造体５０は、力−カスゾライの半径方向外方にターイ
ヤのクラウン部分のまわりに延び、また、接地トレッド
部分５２はタイヤのクラウン部分捷わシに周方向に延び
る。一対のサイドウオール６ろ、６４は、トレッド部分
の軸方向縁部から各ころがり保持フープ部分に半径方向
内方へ延びる。Carcass 36 includes elastomeric material and is reinforced by at least one carcass ply 48 of reinforcing cord, wire, or cable. Preferably, the reinforcing cord, wire or cable is oriented radially or approximately radially and is configured to extend around the entire expansion chamber. However, it will be appreciated that tires according to the invention may be cast of suitable materials lacking any carcass plies without departing from the scope of the invention. An annular reinforcing structure 50 extends radially outwardly around the crown portion of the tire, and a ground contact tread portion 52 extends circumferentially around the crown portion of the tire. A pair of sidewalls 6, 64 extend radially inwardly from the axial edge of the tread portion to each rolling retention hoop portion.
周方向に延びるリフ部月５６は、カーカスの環状域区域
から半径方向外方へ突出し、かつそれと一体に形成され
る。この半径方向外方へ突ブ部材は、半径方向外周面５
８を有し、該外周面は円筒形で、かつ半径方向に測って
、ころがり保持フープ部分の半径方向外周面と同一の、
環状底部の半径方向外側面６０．６２からの距離５９に
配置される。A circumferentially extending ridge 56 projects radially outwardly from and is integrally formed with the annular region of the carcass. This radially outward projecting member has a radially outer circumferential surface 5
8, the outer circumferential surface being cylindrical and, measured radially, identical to the radial outer circumferential surface of the rolling retaining hoop portion;
It is located at a distance 59 from the radially outer surface 60.62 of the annular bottom.
本発明の好適実施例において、閉鎖型円環状タイヤ１０
は、タイヤカーカス及びそれと一体の環状域区域から半
径方向内方へ突出する周方向に延びるリブ部材５４をさ
らに含む。半径方向内方へ突出するリブ部材は、タイヤ
の中央周方向面に関して対称でかつ半径方向外方へ突出
するリブ部材５６よりも小さい軸方向幅をもっことが好
寸しい。好捷しくば、カーカスの環状域区域から突出す
る両側のリブ部材はともに、それらは適切な工学的実施
手段によって選択された別の材料を含むことができるが
、エラストマ材料を用いることが好適である。本発明に
よるタイヤは、タイヤの加硫に先だって、リブ部材に用
いる材料をカーカスと組立てることにより製造される。In a preferred embodiment of the invention, a closed annular tire 10
further includes a circumferentially extending rib member 54 projecting radially inwardly from the tire carcass and the annular region integral therewith. Preferably, the radially inwardly projecting rib members are symmetrical about the central circumferential plane of the tire and have a smaller axial width than the radially outwardly projecting rib members 56. Advantageously, both rib members on both sides projecting from the annular area of the carcass are preferably made of an elastomeric material, although they can include another material selected by suitable engineering practices. be. The tire according to the invention is manufactured by assembling the material used for the rib members with the carcass prior to vulcanization of the tire.
半径方向内方へ突出するリブ部材は、環状域区域をリム
部材の半径方向外側面に隣接させた状態でリムの環状構
ろ２内に配置され、かつ新たに鋳造されたとき、リブ部
材がリム底部材間に圧着されるように、溝の軸方向幅よ
りもわずかに大きい幅をもつ。A radially inwardly projecting rib member is disposed within the annular abutment 2 of the rim with the annular zone area adjacent to the radially outer surface of the rim member, and when newly cast the rib member is It has a width slightly greater than the axial width of the groove so that it is crimped between the rim bottom members.
本発明による閉鎖型円環状空気入りタイヤの別の実施例
７０の部分断面図を第２図に示す。A partial cross-sectional view of another embodiment 70 of a closed toroidal pneumatic tire according to the present invention is shown in FIG.
第２図の閉鎖型円環状タイヤは、半径方向内方へ突出す
るリブ部材を有しないが、側方保持フラン：、；７ろ、
７４のような普通の手段で、あるいは接着結合によって
リム７２に取付けられる。The closed type annular tire shown in FIG. 2 does not have a rib member projecting radially inward, but has lateral retaining flanges.
It may be attached to the rim 72 by conventional means such as 74 or by adhesive bonding.
本発明によるタイヤが、軸方向端にフランジをもつリム
上に取付けられる場合には、ころが９保持フ一プ部分の
半径方向外周面７６．７８及なければならない。If the tire according to the invention is mounted on a rim with a flange at the axial end, the rollers must span the radial outer circumferential surface 76,78 of the retaining flap part 9.
本発明による閉鎖型円環状空気入りタイヤが非膨張状態
になった場合、ころがり保持フープ部分は、負荷部材と
して作用して、タイヤによって通常支持される荷重をり
ムに伝達する。もし、ころがり保持フープ部分の半径方
向外方ヘリブが突出すれば、全荷重はそれに加わシ、か
つ熱と応力によるタイヤの機能低下は、応力の集中によ
って助長される。もし、ころがり保持フープ部分の半径
方向外周面がリブの半径方向外方へ配置されれば、全荷
重はころがり保持フープ部分にかが９、タイヤの機能劣
化は上記と同じ理由で助長される。それにより、ころが
り保持フープ部分の半径方向外周面と、半径方向外方へ
突出するリブの半径方向外周面の配置は本発明の重要な
特徴である。これらの面の軸方向幅は、もしそれらの軸
方向幅の和が過大であれば、タイヤの重量及び価格は不
必要に高価になり、址だもしそれらの幅の和が過小であ
れば、ソソは荷重を受けて撓み、結果的にタイヤの機能
力比に及ぶ。When the closed toroidal pneumatic tire according to the invention is in an uninflated state, the rolling retention hoop portion acts as a load member, transmitting the loads normally supported by the tire to the rim. If the radially outward helix of the rolling retaining hoop portion protrudes, the entire load will be applied to it, and the thermal and stress-induced degradation of the tire will be exacerbated by the stress concentration. If the radially outer circumferential surface of the rolling retaining hoop section is located radially outward of the ribs, the entire load will be placed on the rolling retaining hoop section and deterioration of the tire performance will be exacerbated for the same reasons as above. Thereby, the arrangement of the radially outer circumferential surface of the rolling retaining hoop portion and the radially outer circumferential surface of the radially outwardly projecting ribs is an important feature of the invention. The axial widths of these surfaces are such that if the sum of their axial widths is too large, the weight and price of the tire will be unnecessarily high; if the sum of their widths is too small, The sole flexes under load, which ultimately affects the tire's functional strength.
荷重支持部材の形状は、エラストマ性の荷重支持部材の
圧縮剛さに関係する。この概念を第３図を参照して説明
すれば、とれば種々の硬度計硬度をもつゴムの２０％変
形における圧縮応力に対する形状係数の効果を示すグラ
フである。The shape of the load bearing member is related to the compressive stiffness of the elastomeric load bearing member. This concept can be explained with reference to FIG. 3, which is a graph showing the effect of shape factor on compressive stress at 20% deformation of rubbers having various durometer hardnesses.
第ろ図の曲線（ｄ１普通の室温で静止捷たは低速度に対
して試験的につくられたものである。もし望むならば、
他の温度及び動荷重に対して実験的につくることができ
る。ｒ２０％変形」とは、試験片が荷重によってその元
の高さの８９係に減少したことを意味する。ゴムは基本
的には非圧縮性であると考えられているが、荷重を受け
たとき、側部が唇１らυ構造体であることを意味する。The curve in Figure 1 (d1) was created experimentally for stationary or low speed at normal room temperature.If desired,
It can be created experimentally for other temperatures and dynamic loads. "r20% deformation" means that the specimen was reduced to 89 times its original height by the load. Although rubber is considered to be essentially incompressible, it means that the sides are a lip structure when subjected to a load.
「形状係数」とは自由区域（半径方向に延びるリブ部材
及びころがり保持フープ部分）に対する荷重面積（リブ
部材及びころがり保持フープ部分の半径方向外周面）の
比を意味する。換言すれば、本発明は実質的に環状負荷
部材例関するものであるから、形状係数は負荷部材の半
径方向の高さの和に対する負荷部材の軸方向幅の和の比
である。本発明によるタイヤは無負荷状態で１．０と１
５の間の形状係数の負荷部材をもっことが好ましいと考
えられる。所与の硬要計硬度の負荷部材に対し、形状係
数が大きい程、その元の高さの８０％に負荷部材を変形
するのに必要な圧縮応力は大きいことが分かる。しかし
、もし形状係数が過大になると、半径方向外方へ突出す
るリブ部材は荷重を受けて撓もうとし、使用中に荷重を
受けかつ非膨張状態においては、実際にはタイヤの機能
劣化の速度を増大するのに貢献する。リブ部材及びころ
がシ保持部分の硬度計硬度は適切な工学的実施手段に従
って選択できるが、リブ部材は、タイヤの接地トレッド
部分と実質的に同一の硬度計硬度をもつことが勧められ
る。"Shape factor" means the ratio of the loaded area (radially outer circumferential surface of the rib members and rolling retaining hoop portion) to free area (radially extending rib members and rolling retaining hoop portion). In other words, since the present invention relates to substantially annular load member embodiments, the shape factor is the ratio of the sum of the axial widths of the load members to the sum of their radial heights. The tire according to the invention has 1.0 and 1 under no load.
It is considered preferable to have a load member with a shape factor between 5 and 5. It can be seen that for a loaded member of a given durometer hardness, the larger the shape factor, the greater the compressive stress required to deform the loaded member to 80% of its original height. However, if the shape factor becomes too large, the radially outwardly projecting rib members will tend to flex under load, and when loaded during use and in the uninflated state, the rate of functional deterioration of the tire will actually increase. contribute to increasing the Although the durometer hardness of the rib members and roller retaining portions may be selected according to good engineering practice, it is recommended that the rib members have a durometer hardness that is substantially the same as the contact tread portion of the tire.
再び第１図において、好適な形状係数の基準は、もしく
ｂ）環状底区域の半径方向外側面の半径方向夕）周面か
ら半径方向距離５９の４倍、に対する（ａ）ころが９保
持フ一プ部分との半径方向外周面の軸方向幅６ろ、６４
の和、の比が１０と１５の間にあれば適切である。Referring again to FIG. 1, the preferred shape factor criteria are: (a) the rollers are held at 9 for (a) 4 times the radial distance 59 from the circumferential surface; The axial width of the radial outer circumferential surface with the flap part is 6 mm, 64 mm.
A ratio of between 10 and 15 is suitable.
タイヤ技術者は、荷重を支持する負荷部材の所要の全体
に軸方向に延びる面積を決定するために、本発明による
タイヤによって支持される所望の荷重を選択しかつ所与
の硬度計硬度の負荷部月及び形状係数を元の高さの８０
％に減するのに必要な圧縮応力によってその荷重を除す
る。非膨張タイヤが所望の荷重を受けたときに、リムと
タイヤの接地トレッド間に位置するリブ部材ところがり
保持フープ部分の周方向に測った長さで所要の表面面積
を除すると、リブ部材ところがり保持フープ部分の半径
方向外周面の軸方向幅の和が得られる。The tire engineer selects the desired load to be supported by a tire according to the present invention in order to determine the required overall axially extending area of the load member supporting the load and the load of a given durometer hardness. The part and shape factor are 80 of the original height.
Divide that load by the compressive stress required to reduce it to %. When an uninflated tire is subjected to a desired load, the required surface area is divided by the circumferential length of the rib member located between the rim and the tire's contact tread and the rolling retaining hoop portion. The sum of the axial widths of the radial outer circumferential surfaces of the retaining hoop portions is obtained.
第２図において、この図には、半径方向外方へ突出する
リブ部材が問題となる程度に負荷部材の半径方向長さを
増大せずに負荷部材の形状係数を増大する装置を示す。In FIG. 2, this figure shows an apparatus for increasing the shape factor of a load member without increasing the radial length of the load member to the extent that radially outwardly projecting rib members become a problem.
半径方向外方へ突出するリブ部材の半径方向外周面は、
少くとも１つの周方向に延びる溝８２をもち、これにょ
シ前記半径方向外周面８ｏは、タイヤの回転軸線に対し
て複数のセグメントに分割される。合溝は、リフ部材の
半径方向外周面から環状底区域の半径方向外側面に半径
方向距離８６よりも小さい半径方向深さをもつ。・半径
方向外方に突出するリブ部材は、リブ部材が荷重を受け
だ場合この荷重によって変形して溝を狭めまたは接近さ
せる。好ましくは、もし周方向溝が負荷部材システムの
形状係数を増大するのに用いられれば、すなわち荷重支
持システムと考えられるものは、外方へ突出するリブ部
材ところがり保持フープ部分であＬ（ｂ）前記半径方向
外方へ突出するリブ部材の半径方向外周面から、環状底
区域の半径方向外側面への半径方向距離８６の４倍の長
さと周方同調の半径方向深さ８４の和の２倍の長さとの
和、に対する（ａ）ころがり保持フープ部分の半径方向
外周面の軸方向幅８８゜９０と半径方向外方へ突出する
リブ部材のセグメントの軸方向幅９２，９４．９６との
和、の比は１０と１５の間の値である。The radially outer circumferential surface of the rib member that protrudes radially outward is
It has at least one circumferentially extending groove 82, which divides the radially outer circumferential surface 8o into a plurality of segments with respect to the axis of rotation of the tire. The mating groove has a radial depth that is less than a radial distance 86 from the radially outer circumferential surface of the rift member to the radially outer surface of the annular bottom section. - The rib members projecting outward in the radial direction are deformed by the load when the rib members are subjected to a load, thereby narrowing or approaching the grooves. Preferably, if circumferential grooves are used to increase the shape factor of a load member system, i.e. considered a load support system, the outwardly projecting rib members and rolling retaining hoop portion L(b ) the sum of four times the radial distance 86 from the radially outer circumferential surface of said radially outwardly projecting rib member to the radially outer surface of the annular bottom section and the circumferentially aligned radial depth 84; (a) the axial width of the radially outer circumferential surface of the rolling retaining hoop portion, 88°90; and the axial width of the segment of the rib member projecting radially outward, 92,94.96; The sum of , the ratio of is a value between 10 and 15.
もし要望すれば、潤滑物質、または潤滑システムは、タ
イヤが非膨張状態でしかも荷重を受けた場合において、
負荷部材システムとカーカスの内周間の摩擦を減するの
に用いることができる。If desired, a lubricating substance or lubrication system can be used when the tire is uninflated and under load.
It can be used to reduce friction between the load member system and the inner circumference of the carcass.
本発明を説明するために、若干の代表的詳細構造と実施
例を説明しだが、これらの種々の変形が本発明の主旨ま
たは範囲から逸脱せずに実施できることが当業者には明
らかであろう。Although some representative details and embodiments have been described to illustrate the invention, it will be apparent to those skilled in the art that various modifications thereof can be made without departing from the spirit or scope of the invention. .
第１図は、リム上に取付けられた本発明の一実施例によ
る閉鎖型円環状空気入りタイヤの半径方向断面図、第２
図は、リム上に取付けられた本発明の他の実施例による
閉鎖型円環状タイヤの部分半径方向断面図、第６図は、
２０％変形における種々の硬さをもつゴムの形状係数対
圧縮応力のグラフを示す。
１０ ・閉鎖型円環状空気入シタイヤ
１２ リム １４．１６ リム底部材
１８ 締め具 ２０．２２・リム半径方向外側面２４・
ホイール ２６．２８ リム軸方向端３０ 中央円周中
心面 ３２ 環状溝
３３．３．４ サイドウオール ６６ ・カーカス３８
・・膨張室 ４０ ライナー
４２ カーカス底区域
４４．４６・ころがシ保持フープ部分
４５．４７・・・半径方向外周面 ４８・−カー力スゾ
シイ５０ 補強構造体 ５２・・・トレッド部分５４
リブ部材 ５６ リブ部材
５８ 半径方向外周面
５９・リブ部材半径方向距離
６０ 、６２・底区域半径方向外側面
６３ 、６４ フープ部分軸方向幅
６５−リブ部材軸方向幅
７０ 閉鎖型環状空気入りタイヤ
７２ ・ リ ム
７３．７４・・・側方保持フランジ
７６ 、７８ フープ部分半径方向外周面８０ リブ半
径方向外周面
８２・・？？４
８４・溝の半径方向深さ
８６・・リブ部材半径方向深さ
８８ 、９０・・・フープ部分半径方向外周面９２ 、
９４ 、９６・・・セグメント軸方向幅特許出願人 ザ
グツドイア−タイヤ アンド ラン４−コンノ−ニー
代理人 苦杯 忠
−９！
０ ．５ １ １．５’ ２
．イづｊズ；イ本、鳳夕；。
ＦＩＧ、３
＝３９1 is a radial cross-sectional view of a closed toroidal pneumatic tire according to an embodiment of the invention mounted on a rim; FIG.
6 is a partial radial cross-sectional view of a closed toroidal tire according to another embodiment of the invention mounted on a rim; FIG.
Figure 3 shows a graph of shape factor versus compressive stress for rubber with various hardness at 20% deformation. 10 - Closed annular pneumatic tire 12 Rim 14.16 Rim bottom member 18 Fastener 20.22 - Rim radial outer surface 24 -
Wheel 26.28 Rim axial end 30 Center circumferential center surface 32 Annular groove 33.3.4 Sidewall 66 ・Carcass 38
... Expansion chamber 40 Liner 42 Carcass bottom area 44.46 Roller retaining hoop portion 45.47 Radial direction outer circumferential surface 48 Car force suction 50 Reinforcement structure 52 Tread portion 54
Rib member 56 Rib member 58 Radial outer peripheral surface 59 Rib member radial distance 60 , 62 Bottom area radial outer surface 63 , 64 Hoop portion axial width 65 − Rib member axial width 70 Closed annular pneumatic tire 72 - Rim 73, 74... Lateral holding flanges 76, 78 Hoop portion radial outer circumferential surface 80 Rib radial outer circumferential surface 82...? ? 4 84.Radial depth of groove 86...Rib member radial depth 88, 90...Hoop portion radial outer circumferential surface 92,
94, 96...Segment axial width patent applicant The Gutsdoia Tire and Run 4-Connoney Agent Kuwai Tadashi-9! 0. 5 1 1.5' 2. Izujzu; Ihon, Hoyu;. FIG, 3 = 39
Claims (1)
区域の各軸方向端に配置されかつそれぞれが半径方向外
周面をもつころがり保持フープ部分をもつカーカスと、
前記環状底区域から半径方向外方へ突出しかつ円筒形の
半径方向外周面をもつ周方向に延びるリブ部材とを含み
、かつ前記リブ部拐の半径方向外周面が、半径方向に測
って、前記ころがり保持フープ部分の半径方向外周面と
同一の、前記環状底区域の半径方向外側面からの距離に
配置′直される閉鎖型円環状空気入りタイヤ。 ２ 前記半径方向外方へ突出するリブ部材が前記タイヤ
の中央円周面に関して対称である特許請求の範囲第１項
記載の閉鎖型円環状空気入りタイヤ。 ろ 前記半径方向外方へ突出するリブ部材が、前記タイ
ヤの中央円周面に関して対称であり、かつ前記タイヤの
中央円周面に関して対称でありかつ前記環状底区域から
半径方向内方へ突出しかつ前記半径方向外方へ突出する
リブ部材よりも小さい軸方向幅をもつ周方向に延びるリ
ブ部材をさらに含む特許請求の範囲第１項記載の閉鎖型
円環状空気入りタイヤ。 ４、（ｂ） 前記半径方向外方へ突出するリブ部材の半
径方向外周面から前記環状底区域の半径方向外側面への
半径方向距離の４倍の長さ、に対する（、）前記ころが
り保持フープ部分の半径方向外周面の軸方向幅と前記半
径方向外方へ突出するリブ部材の軸方向幅との和、の比
が１０と１５の間の値をもつ特許請求の範囲上記各項の
いずれか１項記載の閉鎖型円環状空気入りタイヤ。 ５ 前記半径方向外方へ突出するリブ部材の半径方向外
周面が少くとも１つの周方向に延びる溝を有しそれによ
り前記半径方向外周面が前記タイヤの回転軸線に関して
複数のセグメントに区分され、各前記溝が、前記半径方
向に突出するリブ部材の半径方向外周面から、前記環状
座区域の半径方向外側面への半径方向距離よりも小さい
半径方向深さをもつ特許請求の範囲第１項から第６項ま
でのいずれか１項記載の閉鎖型円環状空気入シタイヤ。 ６、（ｂ） Ｉｆ記半径方向外方へ突出するリブ部材の
半径方向外周面から、前記環状座区域の半径方向外側面
への半径方向距離の４倍の長さと、前記溝の半径方向深
さの和の２倍を加えた長さ、に対する（、）前記ころが
り保持フープ部分の半径方向外周面の幅と前記半径方向
外方へ突出するリブ部材の半径方向外周面のセグメント
の軸方向幅との和、の比が１０と１５の間の値をもつ特
許請求の範囲第５項記載の閉鎖型円環状空気入りタイヤ
。Claims: 1. A carcass having an annular closed expansion chamber and having an annular bottom section and rolling retaining hoop sections disposed at each axial end of the bottom section, each having a radially outer peripheral surface;
a circumferentially extending rib member projecting radially outwardly from the annular bottom section and having a cylindrical radially outer circumferential surface, the radially outer circumferential surface of the rib member being, as measured radially, A closed toroidal pneumatic tire arranged at a distance from the radially outer surface of said annular bottom section that is the same as the radially outer circumferential surface of the rolling retaining hoop portion. 2. The closed annular pneumatic tire according to claim 1, wherein the rib member projecting radially outward is symmetrical with respect to the central circumferential surface of the tire. (b) the radially outwardly projecting rib member is symmetrical about the central circumferential surface of the tire, is symmetrical about the central circumferential surface of the tire and projects radially inwardly from the annular bottom area; The closed annular pneumatic tire according to claim 1, further comprising a circumferentially extending rib member having a smaller axial width than the radially outwardly projecting rib member. 4. (b) said rolling retaining hoop for a length four times the radial distance from the radially outer circumferential surface of said radially outwardly projecting rib member to the radially outer surface of said annular bottom section; Any of the preceding claims, wherein the ratio of the axial width of the radially outer circumferential surface of the portion to the sum of the axial width of the radially outwardly projecting rib member is between 10 and 15. A closed annular pneumatic tire according to item 1. 5. The radially outer circumferential surface of the radially outwardly projecting rib member has at least one circumferentially extending groove, thereby dividing the radially outer circumferential surface into a plurality of segments with respect to the rotational axis of the tire; Claim 1, wherein each said groove has a radial depth that is less than the radial distance from the radially outer circumferential surface of said radially projecting rib member to the radially outer surface of said annular seat area. The closed annular pneumatic tire according to any one of paragraphs 1 to 6. 6. (b) If: four times the radial distance from the radially outer circumferential surface of the radially outwardly projecting rib member to the radially outer surface of the annular seat area; and the radially deep depth of the groove. (,) the width of the radial outer circumferential surface of the rolling retaining hoop portion and the axial width of the segment of the radial outer circumferential surface of the radially outwardly projecting rib member; 6. A closed annular pneumatic tire according to claim 5, wherein the ratio of the sum of .
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51710983A | 1983-07-25 | 1983-07-25 | |
| US517109 | 1990-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6047707A true JPS6047707A (en) | 1985-03-15 |
Family
ID=24058407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59143420A Pending JPS6047707A (en) | 1983-07-25 | 1984-07-12 | Enclosed type torus-shaped pneumatic tire |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0133150B1 (en) |
| JP (1) | JPS6047707A (en) |
| AU (1) | AU559482B2 (en) |
| BR (1) | BR8403467A (en) |
| CA (1) | CA1220705A (en) |
| DE (1) | DE3465936D1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002449A (en) * | 1986-12-25 | 1991-03-26 | Kabushikikaisha Itoki Kosakusho | Automatic storage/retrieval apparatus for articles |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1985003674A1 (en) * | 1984-02-17 | 1985-08-29 | Tuggle William E | Improved wheel for land vehicles and method for moving such vehicles over soft or irregular surfaces |
| FR2660900A1 (en) * | 1990-04-11 | 1991-10-18 | Michelin & Cie | ASSEMBLY COMPRISING A TORNE PNEUMATIC AND METHOD FOR MANUFACTURING THE SAME. |
| FR2773745A1 (en) * | 1998-01-20 | 1999-07-23 | Michelin & Cie | Pneumatic tire designed for exceptionally simple fitting and dismounting using compressed air and reduced pressure source |
| AU2727501A (en) | 1999-12-13 | 2001-06-18 | Dow Global Technologies Inc. | Lightweight tire support and composition and method for making a tire support |
| DE10037562A1 (en) * | 2000-08-02 | 2002-02-21 | Elisabeth Puchalla | Safety wheel system, comprises wheel which can be fitted with one broad or several narrow tires, inflation valve being mounted at hub and connecting tube running from it through one of spokes to outlet in wheel rim |
| ES2233682T3 (en) | 2000-09-11 | 2005-06-16 | Dow Global Technologies Inc. | METHOD AND DEVICE TO PREPARE A TIRE SUPPORT. |
| US7300152B2 (en) * | 2004-06-14 | 2007-11-27 | Johnson & Johnson Vision Care, Inc. | Contact lenses and methods for their design |
| CN112455583A (en) * | 2020-09-03 | 2021-03-09 | 杜程置 | Rotary wheel motorcycle |
| CN113910841B (en) * | 2021-11-10 | 2024-06-07 | 北京爱尼机电有限公司 | Inner support body of hub |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB344383A (en) * | 1929-11-23 | 1931-02-23 | Dunlop Rubber Co | Improvements in or relating to pneumatically tyred vehicle wheels |
| CH322114A (en) * | 1953-08-19 | 1957-05-31 | Firestone Tire & Rubber Co | Rubber tires for the depth control wheels of agricultural tillage machines |
| FR1339611A (en) * | 1962-08-14 | 1963-10-11 | Two-part wheel for vehicles | |
| US3318357A (en) * | 1965-04-23 | 1967-05-09 | Gen Tire & Rubber Co | Pneumatic tire |
| US3606921A (en) * | 1969-06-23 | 1971-09-21 | Caterpillar Tractor Co | Belted oval pneumatic tube-tire |
| US3776792A (en) * | 1971-02-25 | 1973-12-04 | Caterpillar Tractor Co | Method for forming belted oval pneumatic tube-tires |
-
1984
- 1984-07-11 BR BR8403467A patent/BR8403467A/en not_active IP Right Cessation
- 1984-07-12 JP JP59143420A patent/JPS6047707A/en active Pending
- 1984-07-16 CA CA000458972A patent/CA1220705A/en not_active Expired
- 1984-07-24 DE DE8484630104T patent/DE3465936D1/en not_active Expired
- 1984-07-24 EP EP19840630104 patent/EP0133150B1/en not_active Expired
- 1984-07-24 AU AU31114/84A patent/AU559482B2/en not_active Ceased
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5002449A (en) * | 1986-12-25 | 1991-03-26 | Kabushikikaisha Itoki Kosakusho | Automatic storage/retrieval apparatus for articles |
| US5135344A (en) * | 1986-12-25 | 1992-08-04 | Kabushikkaisha Itoki Kosakusho | Automatic storage/retrieval apparatus for articles |
Also Published As
| Publication number | Publication date |
|---|---|
| AU3111484A (en) | 1985-01-31 |
| EP0133150B1 (en) | 1987-09-09 |
| EP0133150A3 (en) | 1985-09-25 |
| AU559482B2 (en) | 1987-03-12 |
| CA1220705A (en) | 1987-04-21 |
| EP0133150A2 (en) | 1985-02-13 |
| BR8403467A (en) | 1985-06-25 |
| DE3465936D1 (en) | 1987-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0012526B1 (en) | Pneumatic tire, rim and combination thereof | |
| US3935892A (en) | Pneumatic tired wheel | |
| US6880597B2 (en) | Noise damper for pneumatic tire | |
| KR920006020B1 (en) | Pneumatic tire with sidewall insert | |
| US3949798A (en) | Pneumatic tire | |
| US4059138A (en) | Run-flat tire and hub therefor | |
| KR19990044237A (en) | Low flat truck tires | |
| US4726408A (en) | Pneumatic tire bead portion structure | |
| AU736829B2 (en) | Pneumatic tire including belt and circumferential ribs | |
| KR950013751A (en) | Improved off-road pneumatic tires | |
| JPS6047707A (en) | Enclosed type torus-shaped pneumatic tire | |
| US5882450A (en) | Radial tire/wheel assembly for high brake heat generated service | |
| EP0125047A1 (en) | Automotive vehicle tire and mounting system therefor | |
| JPH01156107A (en) | Pneumatic tire | |
| JPH07164835A (en) | Radial ply pneumatic tire | |
| EP1527907A2 (en) | Self-supporting pneumatic tire | |
| US7287564B2 (en) | Tire safety support and rim and support assembly containing centering means and with facilitated mounting | |
| US5637162A (en) | Tire structure for improved tread life | |
| JP3377448B2 (en) | Run flat tire | |
| US2268249A (en) | Pneumatic tire | |
| JPS6259105A (en) | Pneumatic tire | |
| US4393913A (en) | Tire and wheel configuration | |
| CA1138313A (en) | Tire with supportable sidewalls | |
| JPS6015207A (en) | Puncture travelling device | |
| JPS628324B2 (en) |